单SiGe量子点确定地对准光子晶体腔模式的天线

2015 IEEE 12th International Conference on Group IV Photonics (GFP) Pub Date : 2015-10-26 DOI:10.1109/GROUP4.2015.7305943

M. Schatzl, F. Hackl, M. Glaser, T. Fromherz, F. Schaffler

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引用次数: 1

摘要

我们制造了包含单SiGe量子点的光子晶体纳米腔，确定地与腔模式的反天线对齐。腔耦合极大地增强了垂直量子点发射，并首次允许对单个SiGe量子点进行光学表征。当激发强度较低时，在T=10K时观察到单指数PL衰减，时间常数为22ns。

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Single SiGe quantum dots deterministically aligned to the antinodes of a photonic crystal cavity mode

We fabricated photonic crystal nanocavities containing single SiGe QDs deterministically aligned to the antinodes of a cavity mode. Cavity coupling drastically enhances the vertical QD emission and allows, for the first time, the optical characterization of a single SiGe QD. For low excitation intensities, a single exponential PL decay with a time constant of 22ns at T=10K is observed for such a coupled QD-PhC-cavity system.

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2015 IEEE 12th International Conference on Group IV Photonics (GFP)

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